Criminal Division

Terrorism and National security

The fight against terrorism is the highest priority of the U.S. Department of Justice, and the U.S. Attorney’s Office is dedicated to combating and defeating terrorism. We work with our partners in law enforcement, intelligence, the military, and diplomatic circles to investigate, prosecute, disrupt and prevent terrorism. The Terrorism & National Security Unit includes prosecutors and an intelligence specialist.

Learn more about the Joint Terrorism Task Force

Learn more about the FBI's work on Counterterrorism

National Counterterrorism Center

Recent Significant Cases

U.S. Attorney Beth Phillips
U.S. Attorney Beth Phillips announces that a Kansas City, Mo., man pleaded guilty
to providing material support to Al-Qaida

Al-Qaida supporter pleads guilty to supporting terrorist organization;
KC man also admits to bank fraud, overseas money laundering

KANSAS CITY - A Kansas City, Mo., man pleaded guilty in federal court today to his role in a conspiracy to provide material support to the terrorist organization Al-Qaida. He also pleaded guilty to bank fraud and money laundering. Khalid Ouazzani, 32, of Kansas City, waived his right to a grand jury and pleaded guilty before U.S. District Judge Howard F. Sachs to a federal information that charges him with conspiracy to provide material support to a terrorist organization. Ouazzani also pleaded guilty to charges contained in an indictment that was returned under seal by a federal grand jury in Kansas City on Feb. 3, 2010.
Read the News Release
Court Documents Related To This Case:
Ouazzani Indictment pdf
Ouazzani Information pdf
Ouazzani Plea Agreement pdf

Former congressman pleads guilty to obstructing justice,
acting as unregistered foreign agent;
IARA fundraiser also pleads guilty to conspiring with former congressman, others

KANSAS CITY - A former congressman and U.S. ambassador to the United Nations pleaded guilty in federal court to obstruction of justice and to acting as an unregistered foreign agent, related to his work for an Islamic charity with ties to international terrorism. Mark Deli Siljander, 59, of Great Falls, Va., pleaded guilty before U.S. District Judge Nanette K. Laughrey to one charge contained in an Oct. 21, 2008, federal indictment, and an additional charge filed today, involving his work for the Islamic American Relief Agency (IARA) of Columbia, Mo. Siljander was a member of the U.S. House of Representatives from Michigan and was a U.S. Ambassador to the United Nations General Assembly. Co-defendant Abdel Azim El-Siddig, of Chicago, Ill., a former IARA fundraiser, also pleaded guilty today to conspiring with Siljander and others to hire Siljander to lobby for IARA’s removal from a Senate Finance Committee list of charities suspected of having terrorist ties, while concealing this advocacy and not registering with the proper authorities.
Read the News Release
Court Documents Related To This Case:
IARA Indictment pdf
Siljander Information pdf
Siljander Plea Agreement pdf

To contact the Terrorism and National Security Unit, call 1-800-733-6558, or locally in Kansas City call 816-426-3122.

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